import requests
import re
import json
import time

headers = {'User-Agent': 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit' \
     '/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36'}

def get_one_page(url):
    response = requests.get(url, headers=headers)
    if response.status_code == 200:
        return response.text
    return None

def parse_one_page(html):
    pattern = re.compile('<dd>.*?board-index.*?>(.*?)</i>.*?data-src="(.*?)".*?name.*?a.*?>(.*?)</a>.*?star.*?>(.*?)</p>.*?releasetime.*?>(.*?)</p>.*?integer.*?>(.*?)</i>.*?fraction.*?>(.*?)</i>.*?</dd>',re.S)
    items = re.findall(pattern,html)
    for item in items:
        yield  {'index':item[0],
                'image': item[1],
                'title':item[2].strip(),
                'actor':item[3].strip()[3:] if len(item[3]) >3 else '',
                'time': item[4].strip()[5:] if len(item[4]) >5 else '',
                'score': item[5].strip() + item[6].strip()}

def write_to_file(content):
    with open('result.txt', 'a', encoding='utf-8') as f:
        print(type(json.dumps(content)))
        f.write(json.dumps(content, ensure_ascii= False)+'\n')


def main(offest):
    url = f'https://maoyan.com/board/4?offset={offest}'
    html = get_one_page(url)
    for item in parse_one_page(html):
        print(item)
        write_to_file(item)

if __name__ == "__main__":
    for i in range(10):
        main(offest= i * 10)
        time.sleep(1)
